268888682 has 4 divisors (see below), whose sum is σ = 403333026. Its totient is φ = 134444340.

The previous prime is 268888681. The next prime is 268888691. The reversal of 268888682 is 286888862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 159037321 + 109851361 = 12611^2 + 10481^2 .

It is a super-2 number, since 2×268888682² = 144602246615394248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268888681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67222169 + ... + 67222172.

Almost surely, 2^268888682 is an apocalyptic number.

268888682 is a deficient number, since it is larger than the sum of its proper divisors (134444344).

268888682 is a wasteful number, since it uses less digits than its factorization.

268888682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134444343.

The product of its digits is 4718592, while the sum is 56.

The square root of 268888682 is about 16397.8255265752. The cubic root of 268888682 is about 645.4424238597.

The spelling of 268888682 in words is "two hundred sixty-eight million, eight hundred eighty-eight thousand, six hundred eighty-two".